Staff Selection Commission Combined Higher Secondary Level Exam
Question : Select the most appropriate SYNONYM of the bracketed word in the following sentence to fill in the blank. The text_________ (implies) to several themes that need closer examination.
Option 1: alludes
Option 2: deceives
Option 3: embellishes
Option 4: apprehends
Correct Answer: alludes
Solution : The correct choice is the first option.
Imply means to suggest, indicate, or express something indirectly without explicitly stating it. Alludes is the appropriate synonym, as it means to suggest or indirectly refer to something.
The meanings of the other options are as follows:
Therefore, the correct sentence would be: "The text alludes to several themes that need closer examination."
Question : The remainder of the term $9+9^2+\ldots+9^{(2 n+1)}$ when divided by 6 is:
Option 1: 1
Option 2: 4
Option 3: 2
Option 4: 3
Correct Answer: 3
Solution : Given, $9+9^2+\ldots+9^{(2 n+1)}$ is divided by 6 Consider, $9+9^2+\ldots+9^{(2 n+1)}$ Here, for each term in the series, the remainder when divided by 6 is 3. The sum of the remainder of each term = 3 + 3 + 3 + ............+ up to 2n + 1 terms 2n + 1 is an odd number, so when the sum of an odd number times 3 is divided by 6, the remainder is 3. Hence, the correct answer is 3.
Question : Directions: A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given folded paper is unfolded, it will look like –
Hence, the first option is correct.
Question : The boiling point of water decreases at higher altitudes due to:
Option 1: low temperature
Option 2: low atmospheric pressure
Option 3: high temperature
Option 4: high atmospheric pressure
Correct Answer: low atmospheric pressure
Solution : The correct option is low atmospheric pressure.
The boiling point of water lowers with increasing altitude, owing to a decrease in atmospheric pressure. The atmospheric pressure is lower because there is less air above you at greater elevations. As a result, water molecules do not require as much thermal energy (heat) to overcome the lower atmospheric pressure and move from the liquid to the vapour phase (boiling) at lower temperatures than its original boiling temperature.
Question : Fill in the blank with an appropriate option.
How can seawater from the oceans be _______ fresh water that is suitable for people to drink?
Option 1: change about
Option 2: surrender in
Option 3: minced on
Option 4: turned into
Correct Answer: turned into
Solution : The correct choice is the fourth option.
Explanation:
The phrase turned into is a phrasal verb that accurately expresses the process of transforming one thing into another. In this context, the sentence discusses the conversion of seawater into freshwater suitable for drinking. The phrasal verb turned into is appropriate for indicating this change or transformation.
Therefore, the correct sentence is: How can seawater from the oceans be turned into fresh water that is suitable for people to drink?
Question : Bharat Ratna is designed like the leaf of
Option 1: Banyan tree
Option 2: Peepal tree
Option 3: Cocount tree
Option 4: Sandalwood tree
Correct Answer: Peepal tree
Solution : The correct answer is Peepal tree.
The Bharat Ratna is the Republic of India's highest civilian honor. It is bestowed upon individuals who have made outstanding achievements in categories, including art, literature, science, social services, and public affairs. It was established on January 2, 1954, to recognize those who have provided exemplary service or performance, regardless of race, occupation, status, or gender.
The medallion is made of bronze. It is formed like a peepal tree leaf with a sunburst in the center, and the word Bharat Ratna is engraved beneath it. On the reverse, the Indian flag is etched, and Satyameva Jayate is written in Devanagari script. There is no money attached to the award.
Question : Directions: Study the double bar graph given below and answer the question.
The average number of students participating in the exhibition is:
Option 1: 48.75
Option 2: 52.5
Option 3: 45
Option 4: 50
Correct Answer: 52.5
Solution : From the given graph, The total number of students participating in the exhibition = 45 + 30 + 60 + 75 = 210 The number of classes = 4 The average number of students participating in the exhibition = $\frac{\text{The total number of students participating in the exhibition}}{{\text{The number of classes}}}$ The average number of students participating in the exhibition = $\frac{210}{4}$ = 52.5 Hence, the correct answer is 52.5.
Question : When milk is converted into curd, which type of change is it?
Option 1: Reversible change
Option 2: Physical change
Option 3: Isothermal change
Option 4: Chemical change
Correct Answer: Chemical change
Solution : The correct option is Chemical change.
When milk is converted into curd, it is a chemical change. This transformation involves the fermentation of milk by beneficial bacteria, such as Lactobacillus, which consume the lactose (milk sugar) and produce lactic acid. The production of lactic acid changes the composition and properties of the milk, giving it a thicker texture and a sour taste, which are characteristic of curd or yoghurt. This chemical change is irreversible, as you cannot easily revert curd into milk with the same properties it had before the transformation.
Question : Directions: In the following question, four number pairs are given. The number on the left side of (–) is related to the number on the right side of (–) with some logic, rule, or relationship. Three are similar on the basis of the same logic, rule, or relationship. Select the odd one out of the given alternatives.
Option 1: 7 – 49
Option 2: 2 – 4
Option 3: 5 – 25
Option 4: 3 – 39
Correct Answer: 3 – 39
Solution : Let's check the options – First option: 7 – 49; (7)2 = 49 Second option: 2 – 4; (2)2 = 4 Third option: 5 – 25; (5)2 = 25 Fourth option: 3 – 39; (3)2 = 9 ≠ 39
The fourth option does not fit the pattern. Hence, the fourth option is correct.
Question : Rs. 13000 is divided among X, Y, and Z such that 2 times X's share is equal to 3 times Y's share which is equal to 4 times Z's share. What is the share of Y?
Option 1: Rs. 3200
Option 2: Rs. 4800
Option 3: Rs. 5600
Option 4: Rs. 4000
Correct Answer: Rs. 4000
Solution : Let $2X = 3Y = 4Z = k$ $X =\frac{k}{2}, Y = \frac{k}{3}, Z = \frac{k}{4}$ The sum of shares of all of them together = 13000 ⇒ $\frac{k}{2} + \frac{k}{3} + \frac{k}{4} = 13000$ ⇒ $\frac{6k+4k+3k}{12}=13000$ ⇒ $\frac{13k}{12}=13000$ ⇒ $k = 12000$ $\therefore$ Share of $Y = \frac{1}{3}\times 12000=4000$ Hence, the correct answer is Rs. 4000.
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